{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "trinityaccord.record-chain-preflight-response.v1",
  "title": "Record-Chain Preflight Response",
  "description": "Schema for the response from POST /record-chain/preflight. Preflight validates without writing.",
  "type": "object",
  "required": ["accepted", "preflight", "route_detected", "record_type", "submission_sha256", "received_raw_body_sha256", "diagnostics", "warnings", "gateway_runtime", "gateway_schema", "boundary"],
  "properties": {
    "accepted": { "type": "boolean" },
    "preflight": { "type": "boolean", "const": true },
    "route_detected": { "type": "string" },
    "record_type": { "type": "string" },
    "submission_sha256": { "type": "string", "pattern": "^[a-f0-9]{64}$" },
    "received_raw_body_sha256": { "type": "string", "pattern": "^[a-f0-9]{64}$" },
    "diagnostics": {
      "type": "array",
      "items": { "$ref": "#/$defs/diagnostic" }
    },
    "warnings": {
      "type": "array",
      "items": { "type": "string" }
    },
    "gateway_runtime": {
      "type": "object",
      "properties": {
        "service": { "type": "string" },
        "runtime_version": { "type": "string" },
        "python_version": { "type": "string" },
        "write_mode": { "type": "string" },
        "target_repo_configured": { "type": "boolean" },
        "target_branch_configured": { "type": "boolean" },
        "github_token_configured": { "type": "boolean" },
        "schema_digest": { "type": "string" },
        "supported_routes_digest": { "type": "string" }
      }
    },
    "gateway_schema": {
      "type": "object",
      "properties": {
        "submission_schema": { "type": "string" },
        "preflight_response_schema": { "type": "string" },
        "submit_response_schema": { "type": "string" }
      }
    },
    "boundary": {
      "type": "object",
      "required": ["preflight_is_not_submission", "not_authority", "not_attestation", "not_amendment"],
      "properties": {
        "preflight_is_not_submission": { "const": true },
        "not_authority": { "const": true },
        "not_attestation": { "const": true },
        "not_amendment": { "const": true }
      }
    }
  },
  "additionalProperties": true,
  "$defs": {
    "diagnostic": {
      "type": "object",
      "required": ["code", "severity", "message"],
      "properties": {
        "code": { "type": "string" },
        "severity": { "type": "string", "enum": ["error", "warning", "info"] },
        "field": { "type": "string" },
        "message": { "type": "string" }
      }
    }
  }
}